CK-12 Foundation
Ck 12: Biology: Population Size, Density, and Distribution
[Free Registration/Login may be required to access all resource tools.] Overview of population size, density, and distribution.
CK-12 Foundation
Ck 12: Earth Science: Overpopulation and Over Consumption
[Free Registration/Login may be required to access all resource tools.] Looks at how the human population has grown. Some consume a tremendous amount of resources and produce a lot of waste.
CK-12 Foundation
Ck 12: Biology: Population Growth Patterns
[Free Registration/Login may be required to access all resource tools.] Covers different patterns of population growth.
Trinity University
Trinity University: Demography
Trinity University offers interesting statistics on the world's population; such as ethnicity, education, religion, gender, etc. Includes special links.